Meaning of the word "each bird loves to hear himself sing" in English

What does "each bird loves to hear himself sing" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

each bird loves to hear himself sing

US /itʃ bɜrd lʌvz tu hɪr hɪmˈsɛlf sɪŋ/
UK /iːtʃ bɜːd lʌvz tu hɪə hɪmˈsɛlf sɪŋ/
"each bird loves to hear himself sing" picture

Idiom

everyone likes to hear themselves talk or believes their own opinions and actions are the best

Example:
He spent the whole meeting praising his own ideas; truly, each bird loves to hear himself sing.
Don't be surprised by his vanity; each bird loves to hear himself sing.